{"id":7443,"date":"2025-11-03T14:10:57","date_gmt":"2025-11-03T06:10:57","guid":{"rendered":"https:\/\/www.uneedpm.com\/?p=7443"},"modified":"2025-11-04T18:33:24","modified_gmt":"2025-11-04T10:33:24","slug":"differences-between-press-fit-and-slip-fit-for-precise-assemblies","status":"publish","type":"post","link":"https:\/\/www.uneedpm.com\/cs\/differences-between-press-fit-and-slip-fit-for-precise-assemblies\/","title":{"rendered":"Rozd\u00edly mezi lisov\u00e1n\u00edm a prokluzov\u00e1n\u00edm pro p\u0159esn\u00e9 sestavy"},"content":{"rendered":"<p>Ve stroj\u00edrenstv\u00ed je jedn\u00edm z nejjednodu\u0161\u0161\u00edch zp\u016fsob\u016f, jak zabr\u00e1nit po\u0161kozen\u00ed p\u0159i mont\u00e1\u017ei, zajistit, aby se d\u00edly mohly k sob\u011b p\u0159isunout s malou kontrolovanou mezerou, zn\u00e1mou tak\u00e9 jako kluzn\u00e9 ulo\u017een\u00ed. To je podstata kluzn\u00e9ho ulo\u017een\u00ed. Kluzn\u00e9 ulo\u017een\u00ed je typem v\u016fle, kdy je jedna \u010d\u00e1st (\u010dasto h\u0159\u00eddel) o n\u011bco men\u0161\u00ed ne\u017e jej\u00ed kryc\u00ed \u010d\u00e1st (\u010dasto otvor). Tato v\u017edy kladn\u00e1 v\u016fle umo\u017e\u0148uje, aby se d\u00edly pohybovaly nebo montovaly bez v\u011bt\u0161\u00ed n\u00e1mahy. Pokud chcete hladkou mont\u00e1\u017e, snadn\u00fd servis nebo ur\u010dit\u00fd pohyb bez v\u00e1z\u00e1n\u00ed, je kluzn\u00e9 ulo\u017een\u00ed va\u0161\u00edm p\u0159\u00edtelem.<\/p>\n\n\n\n<p>Tento pr\u016fvodce vysv\u011btluje, co je to kluzn\u00e9 ulo\u017een\u00ed, pro\u010d funguje a jak ho spr\u00e1vn\u011b zvolit pomoc\u00ed toleranc\u00ed ISO 286. Uvid\u00edte typy ulo\u017een\u00ed, jako je b\u011b\u017e\u00edc\u00ed ulo\u017een\u00ed a kluzn\u00e9 ulo\u017een\u00ed, s re\u00e1ln\u00fdmi p\u0159\u00edpady pou\u017eit\u00ed (lo\u017eiska, \u0161rouby, z\u00e1v\u011bsy, vodic\u00ed li\u0161ty). Z\u00edsk\u00e1te praktick\u00e1 \u010d\u00edsla v\u016fl\u00ed (pro v\u011bt\u0161inu prac\u00ed cca 0,01-0,1 mm), b\u011b\u017en\u00e1 ozna\u010den\u00ed jako H7\/g6 a jednoduch\u00fd pracovn\u00ed postup pro v\u00fdb\u011br spr\u00e1vn\u00e9ho ulo\u017een\u00ed. Pod\u011bl\u00edme se o tipy pro obr\u00e1b\u011bn\u00ed a kontrolu p\u0159i CNC fr\u00e9zov\u00e1n\u00ed, CNC soustru\u017een\u00ed, CNC vrt\u00e1n\u00ed a CNC vyvrt\u00e1v\u00e1n\u00ed a tak\u00e9 o \u010d\u00e1st v\u011bnovanou kluzn\u00fdm spojk\u00e1m potrub\u00ed. Najdete zde tak\u00e9 kroky k \u0159e\u0161en\u00ed probl\u00e9m\u016f, rychl\u00e9 srovn\u00e1n\u00ed s lisovan\u00fdm ulo\u017een\u00edm (zn\u00e1m\u00fdm tak\u00e9 jako interferen\u010dn\u00ed ulo\u017een\u00ed) a kr\u00e1tk\u00e9 p\u0159\u00edpadov\u00e9 studie.<\/p>\n\n\n\n<p>Pokud pot\u0159ebujete rychle odpov\u011bd\u011bt na ot\u00e1zky: co je to kluzn\u00e9 ulo\u017een\u00ed, co je to lisovan\u00e9 ulo\u017een\u00ed, jak\u00fd je mezi nimi rozd\u00edl a jak velkou v\u016fli byste m\u011bli pou\u017e\u00edt - za\u010dn\u011bte zde. Pak se v\u011bnujte toleranc\u00edm ulo\u017een\u00ed, v\u00fdb\u011bru a prevenci poruch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co je Slip Fit? Jak se dosahuje slip fit?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Srozumiteln\u00e1 definice prokluzov\u00e9ho ulo\u017een\u00ed (clearance fit)<\/h3>\n\n\n\n<p>Klouzav\u00e9 ulo\u017een\u00ed je ulo\u017een\u00ed, p\u0159i kter\u00e9m je mezi spojovan\u00fdmi d\u00edly v\u017edy mezera. Otvor je o n\u011bco v\u011bt\u0161\u00ed ne\u017e h\u0159\u00eddel, tak\u017ee se d\u00edly nespojuj\u00ed. Tato pozitivn\u00ed v\u016fle usnad\u0148uje ru\u010dn\u00ed mont\u00e1\u017e a demont\u00e1\u017e d\u00edl\u016f, sni\u017euje riziko po\u0161kozen\u00ed a urychluje \u00fadr\u017ebu. K sestaven\u00ed d\u00edl\u016f ani k jejich rozebr\u00e1n\u00ed nepot\u0159ebujete lis, teplo ani speci\u00e1ln\u00ed n\u00e1\u0159ad\u00ed. Jin\u00fdmi slovy, d\u00edly mohou \"sklouznout\" nebo \"vklouznout\" do sebe.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak v\u016fle umo\u017e\u0148uje pohyb, vyrovn\u00e1n\u00ed a provozuschopnost<\/h3>\n\n\n\n<p>Tato mal\u00e1 mezera pro v\u00e1s d\u011bl\u00e1 skute\u010dnou pr\u00e1ci. D\u00e1v\u00e1 v\u00e1m prostor pro drobn\u00e9 chyby v zarovn\u00e1n\u00ed. Pom\u00e1h\u00e1, kdy\u017e d\u00edly rostou teplem. Umo\u017e\u0148uje rychlou v\u00fdm\u011bnu d\u00edl\u016f bez po\u0161kozen\u00ed otvoru nebo h\u0159\u00eddele. Kluzn\u00e9 ulo\u017een\u00ed je skv\u011bl\u00e9, kdy\u017e se sou\u010d\u00e1sti pot\u0159ebuj\u00ed voln\u011b pohybovat, ob\u010das se ot\u00e1\u010det nebo je t\u0159eba je nastavit na m\u00edsto pomoc\u00ed jednoduch\u00fdch spojovac\u00edch prvk\u016f. Kompromisem je tuhost. Lisovan\u00e9 ulo\u017een\u00ed je tu\u017e\u0161\u00ed a pevn\u011bj\u0161\u00ed, proto\u017ee k zaji\u0161t\u011bn\u00ed d\u00edl\u016f na m\u00edst\u011b vyu\u017e\u00edv\u00e1 interferenci. Lisovan\u00e9 ulo\u017een\u00ed nen\u00ed ur\u010deno k p\u0159en\u00e1\u0161en\u00ed vysok\u00e9ho kroutic\u00edho momentu t\u0159en\u00edm; ulo\u017een\u00ed zaji\u0161\u0165uje polohu a snadnou mont\u00e1\u017e, nikoliv trval\u00e9 zaji\u0161t\u011bn\u00ed.<\/p>\n\n\n\n<p>Kdy si tedy vybrat padnouc\u00ed oblek? Zvolte ho, kdy\u017e d\u00edly pot\u0159ebuj\u00ed sp\u00ed\u0161e hladk\u00fd pohyb, rychl\u00fd servis, kontrolovan\u00e9 vyrovn\u00e1n\u00ed a ni\u017e\u0161\u00ed n\u00e1klady na mont\u00e1\u017e ne\u017e maxim\u00e1ln\u00ed tuhost.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Rychl\u00e9 porovn\u00e1n\u00ed sl\u00edcov\u00e1n\u00ed a lisov\u00e1n\u00ed<\/h3>\n\n\n\n<p>Lisovan\u00e9 ulo\u017een\u00ed je opakem kluzn\u00e9ho ulo\u017een\u00ed. U lisovan\u00e9ho ulo\u017een\u00ed (interferen\u010dn\u00ed ulo\u017een\u00ed) je h\u0159\u00eddel v\u011bt\u0161\u00ed ne\u017e otvor, tak\u017ee vznik\u00e1 z\u00e1porn\u00e1 v\u016fle. Toto lisovan\u00e9 ulo\u017een\u00ed vy\u017eaduje k mont\u00e1\u017ei s\u00edlu (\u010dasto hydraulick\u00fd lis) nebo teplo\/chlad pro zm\u011bnu velikosti b\u011bhem mont\u00e1\u017ee. Vytv\u00e1\u0159\u00ed siln\u00e9 t\u0159ec\u00ed sev\u0159en\u00ed. Lisovan\u00fd vnit\u0159n\u00ed krou\u017eek lo\u017eiska na h\u0159\u00eddeli je b\u011b\u017en\u00fd, proto\u017ee p\u0159en\u00e1\u0161\u00ed to\u010div\u00fd moment a sni\u017euje prokluz. Naproti tomu kluzn\u00e9 ulo\u017een\u00ed se \u010dasto pou\u017e\u00edv\u00e1 tam, kde se d\u00edl mus\u00ed pohybovat nebo b\u00fdt vym\u011bn\u011bn.<\/p>\n\n\n\n<p>Z\u00e1kladn\u00ed \u010d\u00edseln\u00e9 porovn\u00e1n\u00ed:<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Funkce<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Slip fit<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Lisovan\u00e9 ulo\u017een\u00ed<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Pohyb<\/td><td class=\"has-text-align-center\" data-align=\"center\">D\u00edly se mohou pohybovat nebo posouvat<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u010c\u00e1sti jsou nepohybliv\u00e9<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Mont\u00e1\u017en\u00ed \u00fasil\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">Snadno, obvykle ru\u010dn\u011b<\/td><td class=\"has-text-align-center\" data-align=\"center\">Pot\u0159ebuje s\u00edlu nebo n\u00e1stroje<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Odbaven\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">V\u017edy pozitivn\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">V\u017edy negativn\u00ed (p\u0159ekr\u00fdv\u00e1n\u00ed)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Typick\u00e9 pou\u017eit\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u0160rouby v otvorech, vn\u011bj\u0161\u00ed krou\u017eky lo\u017eisek, vodic\u00ed li\u0161ty<\/td><td class=\"has-text-align-center\" data-align=\"center\">Vnit\u0159n\u00ed krou\u017eky lo\u017eisek, n\u00e1boje, ozuben\u00e1 kola na h\u0159\u00eddel\u00edch<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Typick\u00fd rozsah<\/td><td class=\"has-text-align-center\" data-align=\"center\">~0,01-0,10 mm v\u016fle<\/td><td class=\"has-text-align-center\" data-align=\"center\">~0,01-0,05 mm p\u0159esah (h\u0159\u00eddele 10-50 mm; z\u00e1vis\u00ed na materi\u00e1lu)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Typy slip\u016f a jejich pou\u017eit\u00ed<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">B\u011b\u017en\u00e9 typy skluzn\u00e9ho ulo\u017een\u00ed s p\u0159\u00edpady pou\u017eit\u00ed<\/h3>\n\n\n\n<p>Kluzn\u00e1 ulo\u017een\u00ed se dod\u00e1vaj\u00ed v n\u011bkolika proveden\u00edch, kter\u00e1 odpov\u00eddaj\u00ed va\u0161im pot\u0159eb\u00e1m pohybu a p\u0159esnosti a jsou ide\u00e1ln\u00ed pro r\u016fzn\u00e9 aplikace vy\u017eaduj\u00edc\u00ed hladk\u00fd posuv, p\u0159esn\u00e9 vyrovn\u00e1n\u00ed nebo snadn\u00fd servis. Zde jsou uvedeny b\u011b\u017en\u00e9 typy zalo\u017een\u00e9 na koncepc\u00edch a praxi ISO 286:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>B\u011b\u017eeck\u00e1 kondice. To m\u00e1 v\u011bt\u0161\u00ed v\u016fli, tak\u017ee se d\u00edly mohou pohybovat p\u0159i m\u011bn\u00edc\u00edch se rychlostech a teplot\u00e1ch. Pou\u017e\u00edv\u00e1 se pro posuvn\u00e9 nebo rotuj\u00edc\u00ed d\u00edly, kde mus\u00ed b\u00fdt n\u00edzk\u00e9 t\u0159en\u00ed a m\u016f\u017ee doch\u00e1zet k r\u016fstu tepla.<\/li>\n\n\n\n<li>Snadn\u00fd skluz. Ten m\u00e1 men\u0161\u00ed v\u016fli, kter\u00e1 p\u0159esto umo\u017e\u0148uje pohyb, \u010dasto nepravideln\u00fd nebo pomal\u00fd, jako lehk\u00e9 veden\u00ed nebo pohyb podobn\u00fd p\u00edstu, kde z\u00e1le\u017e\u00ed na hladk\u00e9m pocitu.<\/li>\n\n\n\n<li>Voln\u00fd st\u0159ih. Velmi velk\u00e1 v\u016fle pro rychl\u00e9 ot\u00e1\u010den\u00ed nebo d\u00edly, kter\u00e9 se nesm\u011bj\u00ed v\u00e1zat pod vlivem ne\u010distot, tepla nebo \u0161patn\u00e9ho se\u0159\u00edzen\u00ed. Myslete na \u010depy v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch.<\/li>\n\n\n\n<li>Skl\u00ed\u010dko se hod\u00ed. Minim\u00e1ln\u00ed, ale pozitivn\u00ed v\u016fle, pou\u017e\u00edv\u00e1 se pro p\u0159esn\u00e9 zarovn\u00e1n\u00ed tam, kde se d\u00edly mus\u00ed spojit rukou bez vikl\u00e1n\u00ed. Vyhn\u011bte se extr\u00e9mn\u011b t\u011bsn\u00fdm toleranc\u00edm, kter\u00e9 mohou br\u00e1nit mont\u00e1\u017ei nebo po\u0161kodit povrchy. B\u011b\u017en\u011b se pou\u017e\u00edv\u00e1 v automobilov\u00e9m pr\u016fmyslu nebo p\u0159i mont\u00e1\u017ei stroj\u016f.<\/li>\n\n\n\n<li>Um\u00edst\u011bn\u00ed voln\u00e9ho prostoru. T\u011bsn\u011bj\u0161\u00ed typ kluzn\u00e9ho ulo\u017een\u00ed, kter\u00fd se pou\u017e\u00edv\u00e1 k p\u0159esn\u00e9mu um\u00edst\u011bn\u00ed d\u00edl\u016f bez pou\u017eit\u00ed s\u00edly. Ide\u00e1ln\u00ed pro v\u00e1le\u010dkov\u00e1 veden\u00ed, line\u00e1rn\u00ed li\u0161ty a p\u0159\u00edpravky.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Aplikace a pr\u016fmyslov\u00e1 odv\u011btv\u00ed<\/h3>\n\n\n\n<p>Na mnoha m\u00edstech se setk\u00e1te s prokluzov\u00e1n\u00edm:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lo\u017eiska: vn\u011bj\u0161\u00ed krou\u017eky \u010dasto pou\u017e\u00edvaj\u00ed kluzn\u00e9 ulo\u017een\u00ed v pouzdrech, abyste je mohli vym\u011bnit, zat\u00edmco vnit\u0159n\u00ed krou\u017eek na h\u0159\u00eddeli m\u016f\u017ee pou\u017e\u00edvat lisovan\u00e9 ulo\u017een\u00ed kv\u016fli kroutic\u00edmu momentu.<\/li>\n\n\n\n<li>\u0160rouby skrz otvory: standardn\u00ed otvor, kter\u00fd je o n\u011bco v\u011bt\u0161\u00ed ne\u017e \u0161roub, je klasick\u00fd prokluzov\u00fd otvor, kter\u00fd umo\u017e\u0148uje snadnou mont\u00e1\u017e a vyrovn\u00e1n\u00ed p\u0159ed uta\u017een\u00edm.<\/li>\n\n\n\n<li>Vodic\u00ed li\u0161ty a pouzdra: line\u00e1rn\u00ed veden\u00ed, z\u00e1suvkov\u00e9 kluz\u00e1ky nebo pouzdra p\u0159\u00edpravk\u016f \u010dasto pot\u0159ebuj\u00ed v\u016fli, aby jejich chod byl hladk\u00fd a nedoch\u00e1zelo k zad\u00edr\u00e1n\u00ed.<\/li>\n\n\n\n<li>Z\u00e1v\u011bsy a \u010depy: \u0159\u00edzen\u00e1 v\u016fle udr\u017euje plynul\u00fd pohyb a zabra\u0148uje zad\u0159en\u00ed.<\/li>\n\n\n\n<li>Odv\u011btv\u00ed: automobilov\u00fd a leteck\u00fd pr\u016fmysl, v\u00fdrobn\u00ed p\u0159\u00edpravky, robotick\u00e9 line\u00e1rn\u00ed pohony, CNC obr\u00e1b\u011bc\u00ed za\u0159\u00edzen\u00ed.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159\u00edpadov\u00e1 studie: prokluzov\u00e1n\u00ed vn\u011bj\u0161\u00edho krou\u017eku lo\u017eiska (lisov\u00e1n\u00ed vnit\u0159n\u00edho krou\u017eku)<\/h3>\n\n\n\n<p>B\u011b\u017en\u00e1 konstrukce pou\u017e\u00edv\u00e1 lisovan\u00e9 ulo\u017een\u00ed na vnit\u0159n\u00edm krou\u017eku (na h\u0159\u00eddeli) a kluzn\u00e9 ulo\u017een\u00ed na vn\u011bj\u0161\u00edm krou\u017eku (na pouzd\u0159e). Pro\u010d? Vnit\u0159n\u00ed krou\u017eek pot\u0159ebuje tuhost a p\u0159enos kroutic\u00edho momentu; vn\u011bj\u0161\u00ed krou\u017eek \u010dasto pot\u0159ebuje servisovatelnost a snadn\u011bj\u0161\u00ed se\u0159\u00edzen\u00ed. U jmenovit\u00e9ho lo\u017eiska o pr\u016fm\u011bru 30 mm m\u016f\u017ee kluzn\u00e9 ulo\u017een\u00ed na otvoru sk\u0159\u00edn\u011b dos\u00e1hnout tolerance, p\u0159i kter\u00e9 vn\u011bj\u0161\u00ed krou\u017eek vid\u00ed praktickou v\u016fli, nap\u0159\u00edklad +21\/-0 \u03bcm na p\u0159\u00edslu\u0161n\u00e9 sou\u010d\u00e1sti podle pokyn\u016f ISO. To pom\u00e1h\u00e1 zabr\u00e1nit po\u0161kozen\u00ed p\u0159i mont\u00e1\u017ei a \u0159\u00edd\u00ed tepeln\u00fd r\u016fst. Pokud by byl vn\u011bj\u0161\u00ed krou\u017eek zalisov\u00e1n p\u0159\u00edli\u0161 t\u011bsn\u011b, mohlo by teplo nebo nesouosost zp\u016fsobit brzk\u00e9 selh\u00e1n\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Vizu\u00e1ln\u00ed: tabulka mapuj\u00edc\u00ed typ ulo\u017een\u00ed \u2192 pou\u017eit\u00ed \u2192 typick\u00e1 v\u016fle<\/h3>\n\n\n\n<p>N\u00ed\u017ee uveden\u00e9 rozsahy jsou praktick\u00fdm v\u00fdchodiskem pro b\u011b\u017en\u00e9 velikosti a pou\u017eit\u00ed. V\u017edy se pod\u00edvejte do tabulek ISO 286 a na sv\u00e9 p\u0159esn\u00e9 povinnosti.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Typ ulo\u017een\u00ed<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Typick\u00e1 aplikace<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Rozsah v\u016fl\u00ed (mm) pro pr\u016fm\u011bry 10-50 mm<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Um\u00edst\u011bn\u00ed voln\u00e9ho prostoru<\/td><td class=\"has-text-align-center\" data-align=\"center\">V\u00e1le\u010dkov\u00e1 veden\u00ed, p\u0159esn\u00e9 se\u0159\u00edzen\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.01-0.02<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Posuvn\u00e9 ulo\u017een\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">P\u0159esn\u00e9 sestavy, automobilov\u00e9 d\u00edly<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.01-0.03<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Running fit<\/td><td class=\"has-text-align-center\" data-align=\"center\">Obecn\u00e9 ot\u00e1\u010den\u00ed\/posouv\u00e1n\u00ed s kol\u00eds\u00e1n\u00edm teploty<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.02-0.05<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Snadn\u00fd skluz<\/td><td class=\"has-text-align-center\" data-align=\"center\">Nepravideln\u00fd pohyb (jako p\u00edst), hladk\u00fd pocit<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.02-0.04<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Voln\u00fd st\u0159ih<\/td><td class=\"has-text-align-center\" data-align=\"center\">Rychl\u00e1 rotace, \u0161pinav\u00e9\/hork\u00e9 prost\u0159ed\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.05-0.10<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Jedn\u00e1 se o c\u00edlov\u00e9 v\u016fle mezi otvorem a h\u0159\u00eddel\u00ed. U men\u0161\u00edch pr\u016fm\u011br\u016f (50 mm) \u010d\u00edsla m\u00edrn\u011b zvy\u0161te.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tolerance, t\u0159\u00eddy a normy (ISO 286 a dal\u0161\u00ed)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Syst\u00e9my se z\u00e1kladnou pro otvory vs. syst\u00e9my se z\u00e1kladnou pro \u0161achty<\/h3>\n\n\n\n<p>V syst\u00e9mu s d\u00edrami se d\u00edra dr\u017e\u00ed v b\u011b\u017en\u00e9 toleran\u010dn\u00ed t\u0159\u00edd\u011b (nap\u0159. H7) a m\u011bn\u00ed se t\u0159\u00edda h\u0159\u00eddele (nap\u0159. g6, h6), abyste dos\u00e1hli po\u017eadovan\u00e9ho ulo\u017een\u00ed. Tento p\u0159\u00edstup je nejb\u011b\u017en\u011bj\u0161\u00ed, proto\u017ee m\u016f\u017eete d\u00edry vystru\u017eit nebo vyvrtat podle standardn\u00edch m\u011br a h\u0159\u00eddel upravit soustru\u017een\u00edm nebo brou\u0161en\u00edm.<\/p>\n\n\n\n<p>V syst\u00e9mu s h\u0159\u00eddelov\u00fdm z\u00e1kladem dr\u017e\u00edte h\u0159\u00eddel na stejn\u00e9 \u00farovni (nap\u0159\u00edklad h6) a m\u011bn\u00edte otvor (nap\u0159\u00edklad H7, G7). Tento postup se pou\u017e\u00edv\u00e1, kdy\u017e h\u0159\u00eddele vych\u00e1zej\u00ed ze standardn\u00edho procesu a chcete p\u0159izp\u016fsobit otvor.<\/p>\n\n\n\n<p>Typick\u00e1 ozna\u010den\u00ed skluzu:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H7\/g6 pro spolehliv\u00e9 kluzn\u00e9 ulo\u017een\u00ed s kontrolovanou v\u016fl\u00ed<\/li>\n\n\n\n<li>H7\/h6, kdy\u017e chcete \"p\u0159il\u00e9hav\u00fd\" skluz s minim\u00e1ln\u00ed v\u016fl\u00ed.<\/li>\n\n\n\n<li>H8\/f7, kdy\u017e chcete v\u011bt\u0161\u00ed voln\u00fd pr\u016fchod<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u010c\u00edseln\u00e9 p\u0159\u00edklady a pravidla<\/h3>\n\n\n\n<p>Tyto p\u0159\u00edklady v\u00e1m poskytnou p\u0159edstavu o toleranci prokluzu a v\u00fdsledc\u00edch, kter\u00e9 m\u016f\u017eete vid\u011bt v praxi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Vn\u011bj\u0161\u00ed krou\u017eek lo\u017eiska 30 mm (kluzn\u00e9 ulo\u017een\u00ed): zam\u011b\u0159en\u00ed na rozsah v\u016fle v bl\u00edzkosti +21\/-0 \u03bcm na p\u0159\u00edslu\u0161n\u00e9 stran\u011b zaji\u0161\u0165uje bezprobl\u00e9mov\u00e9 nasazen\u00ed a provozuschopnost podle pokyn\u016f ISO.<\/li>\n\n\n\n<li>\u0160roub M10 v otvoru o pr\u016fm\u011bru 10,05 mm: to znamen\u00e1 v\u016fli 0,05 mm. Mont\u00e1\u017e je snadn\u00e1 a p\u0159ed uta\u017een\u00edm m\u00e1te k dispozici mal\u00fd \"plov\u00e1k\" na vyrovn\u00e1n\u00ed d\u00edl\u016f.<\/li>\n\n\n\n<li>Obecn\u00e9 vod\u00edtko: u mnoha h\u0159\u00eddel\u00ed o pr\u016fm\u011bru 10 a\u017e 50 mm po\u010d\u00edtejte s v\u016fl\u00ed asi 0,02-0,05 mm pro norm\u00e1ln\u00ed prokluz, 0,01-0,02 mm pro t\u011bsn\u00fd polohov\u00fd prokluz a 0,05-0,10 mm pro voln\u00fd chod.<\/li>\n<\/ul>\n\n\n\n<p>Jak je to s toleranc\u00ed lisov\u00e1n\u00ed? Jednoduch\u00e9 pravidlo pro ocel na ocel 10-50 mm je p\u0159ibli\u017en\u011b 0,01-0,05 mm p\u0159esahu v z\u00e1vislosti na zat\u00ed\u017een\u00ed, d\u00e9lce a materi\u00e1lu. M\u011bk\u010d\u00ed materi\u00e1ly pot\u0159ebuj\u00ed men\u0161\u00ed p\u0159esah. Del\u0161\u00ed d\u00e9lky z\u00e1b\u011bru a vy\u0161\u0161\u00ed kroutic\u00ed moment vy\u017eaduj\u00ed v\u011bt\u0161\u00ed p\u0159esah. V\u017edy zkontrolujte normy nebo prove\u010fte kontrolu nap\u011bt\u00ed, pokud je d\u00edl kritick\u00fd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159\u00edslu\u0161n\u00e9 normy a odkazy k citov\u00e1n\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>ISO 286: syst\u00e9m mez\u00ed a ulo\u017een\u00ed, kter\u00fd definuje toleran\u010dn\u00ed p\u00e1sma (nap\u0159\u00edklad H7, g6, h6) a jejich fungov\u00e1n\u00ed v r\u016fzn\u00fdch rozmez\u00edch pr\u016fm\u011br\u016f.<\/li>\n\n\n\n<li>ASME B4.1: p\u0159ednostn\u00ed meze a ulo\u017een\u00ed pro v\u00e1lcov\u00e9 sou\u010d\u00e1sti (americk\u00fd syst\u00e9m pro d\u00edry a h\u0159\u00eddele).<\/li>\n\n\n\n<li>Potrubn\u00ed p\u0159edpisy (pro kluzn\u00e9 spojky): Pro n\u00e1vrh a instalaci procesn\u00edho potrub\u00ed se \u0159i\u010fte \u0159adou ASME B31.<\/li>\n\n\n\n<li>Obecn\u00e9 kontroln\u00ed a metrologick\u00e9 odkazy od n\u00e1rodn\u00edch normaliza\u010dn\u00edch org\u00e1n\u016f pom\u00e1haj\u00ed s metodami m\u011b\u0159en\u00ed kulatosti, p\u0159\u00edmosti a v\u00e1lcovitosti.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Vizu\u00e1ln\u00ed: tabulka toleran\u010dn\u00edch z\u00f3n a p\u0159evodn\u00ed tabulka<\/h3>\n\n\n\n<p>Nakreslete tabulku, kde jmenovit\u00e9 pr\u016fm\u011bry prob\u00edhaj\u00ed pod\u00e9l spodn\u00ed \u010d\u00e1sti a toleran\u010dn\u00ed p\u00e1sma stoupaj\u00ed vertik\u00e1ln\u011b. P\u00edsmena H pro otvory jsou um\u00edst\u011bna tak, \u017ee jejich doln\u00ed hranice je na \u00farovni jmenovit\u00fdch hodnot (pro p\u00e1sma H). P\u00edsmena h\u0159\u00eddel\u00ed jako g se posunou pod jmenovitou hodnotu. Nep\u0159ekr\u00fdv\u00e1n\u00ed mezi zvolenou z\u00f3nou otvoru a z\u00f3nou h\u0159\u00eddele ud\u00e1v\u00e1 va\u0161i v\u016fli.<\/p>\n\n\n\n<p>Mal\u00e1 p\u0159evodn\u00ed tabulka pro p\u00e1rov\u00e1n\u00ed z\u00f3n s typick\u00fdm pou\u017eit\u00edm:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>P\u0159\u00edklad ulo\u017een\u00ed ISO<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>P\u0159\u00edroda<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Typick\u00e9 pou\u017eit\u00ed<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">H7\/h6<\/td><td class=\"has-text-align-center\" data-align=\"center\">T\u011bsn\u00fd skluz<\/td><td class=\"has-text-align-center\" data-align=\"center\">Um\u00edst\u011bn\u00ed, zarovn\u00e1n\u00ed, minim\u00e1ln\u00ed hran\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">H7\/g6<\/td><td class=\"has-text-align-center\" data-align=\"center\">Posuvn\u00fd skluz<\/td><td class=\"has-text-align-center\" data-align=\"center\">Obecn\u00e9 posuvn\u00e9 sestavy<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">H8\/f7<\/td><td class=\"has-text-align-center\" data-align=\"center\">B\u011b\u017eeck\u00fd skluz<\/td><td class=\"has-text-align-center\" data-align=\"center\">B\u011bh nebo \u010dast\u00fd pohyb<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">H7\/p6<\/td><td class=\"has-text-align-center\" data-align=\"center\">Interference<\/td><td class=\"has-text-align-center\" data-align=\"center\">Lehk\u00e9 lisov\u00e1n\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">H7\/u6<\/td><td class=\"has-text-align-center\" data-align=\"center\">Interference<\/td><td class=\"has-text-align-center\" data-align=\"center\">Siln\u00e9 lisov\u00e1n\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Pr\u016fvodce n\u00e1vrhem a v\u00fdb\u011brem za\u0159\u00edzen\u00ed Slip Fit<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Pracovn\u00ed postup v\u00fdb\u011bru krok za krokem<\/h3>\n\n\n\n<p>Pou\u017eijte tuto jednoduchou cestu ke spolehliv\u00e9mu skluzn\u00e9mu proveden\u00ed:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>Definujte funkci. Pot\u0159ebujete pohyb, zarovn\u00e1n\u00ed, snadn\u00fd servis nebo v\u0161echny t\u0159i? Napi\u0161te hlavn\u00ed \u00fakol: ot\u00e1\u010det, posouvat nebo jen sestavit a udr\u017eet polohu.<\/li>\n\n\n\n<li>Zvolte z\u00e1kladn\u00ed syst\u00e9m. Z\u00e1kladna s otvory (nejb\u011b\u017en\u011bj\u0161\u00ed) udr\u017euje jednotnou velikost otvor\u016f (nap\u0159\u00edklad H7) a lad\u00ed h\u0159\u00eddel. Z\u00e1kladna h\u0159\u00eddele je u\u017eite\u010dn\u00e1, pokud je h\u0159\u00eddel pevn\u011b dan\u00e1 procesem.<\/li>\n\n\n\n<li>Vyberte jmenovit\u00fd pr\u016fm\u011br. Pr\u016fm\u011br ur\u010duje, jak se t\u0159\u00eddy ISO p\u0159ev\u00e1d\u011bj\u00ed na mikrometry. V\u011bt\u0161\u00ed pr\u016fm\u011bry snesou v\u011bt\u0161\u00ed v\u016fle, ani\u017e by do\u0161lo k nedbalosti.<\/li>\n\n\n\n<li>Vyberte t\u0159\u00eddu tolerance. V\u017edy zkontrolujte v\u00fdrobn\u00ed tolerance, abyste se ujistili, \u017ee v\u00fdsledn\u00e9 ulo\u017een\u00ed odpov\u00edd\u00e1 konstruk\u010dn\u00edm a v\u00fdkonnostn\u00edm po\u017eadavk\u016fm. Pro posuv\/um\u00edst\u011bn\u00ed pou\u017eijte H7\/h6 nebo H7\/g6. Pro voln\u011bj\u0161\u00ed chod p\u0159ejd\u011bte na H8\/f7 nebo dokonce H9\/e8.<\/li>\n\n\n\n<li>Zkontrolujte materi\u00e1ly a prost\u0159ed\u00ed. Rozd\u00edln\u00e1 CTE (tepeln\u00e1 rozta\u017enost) m\u016f\u017ee mezeru uzav\u0159\u00edt nebo otev\u0159\u00edt. Zva\u017ete rozsah teplot a maz\u00e1n\u00ed.<\/li>\n\n\n\n<li>Napl\u00e1nujte proces. Dok\u00e1\u017ee va\u0161e CNC obr\u00e1b\u011bn\u00ed a metrologie zas\u00e1hnout do zvolen\u00e9 t\u0159\u00eddy? CNC soustru\u017een\u00ed a brou\u0161en\u00ed \u010dasto zas\u00e1hne h6; vystru\u017eov\u00e1n\u00ed nebo vyvrt\u00e1v\u00e1n\u00ed \u010dasto zas\u00e1hne H7 u otvor\u016f.<\/li>\n\n\n\n<li>Ov\u011b\u0159te pomoc\u00ed matematiky. Odhadn\u011bte v\u00fdslednou minim\u00e1ln\u00ed\/maxim\u00e1ln\u00ed v\u016fli nap\u0159\u00ed\u010d tolerancemi. Ujist\u011bte se, \u017ee minim\u00e1ln\u00ed v\u016fle z\u016fst\u00e1v\u00e1 kladn\u00e1.<\/li>\n\n\n\n<li>Prototyp a kontrola. M\u011b\u0159en\u00ed d\u00edl\u016f, mont\u00e1\u017e a z\u00e1znam pocit\u016f a v\u00fdkonu. V p\u0159\u00edpad\u011b pot\u0159eby upravte t\u0159\u00eddu ulo\u017een\u00ed.<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/3-1024x768.webp\" alt=\"klouzav\u00e9 ulo\u017een\u00ed\" class=\"wp-image-7448\" srcset=\"https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/3-1024x768.webp 1024w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/3-300x225.webp 300w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/3-768x576.webp 768w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/3-16x12.webp 16w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/3.webp 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">V\u00fdb\u011br toleran\u010dn\u00edch t\u0159\u00edd podle pr\u016fm\u011bru a p\u0159esnosti<\/h3>\n\n\n\n<p>U mal\u00fdch d\u00edl\u016f (\u226410 mm) jsou tolerance v absolutn\u00ed velikosti velmi mal\u00e9. Posun o 10 \u03bcm p\u0159edstavuje v\u011bt\u0161\u00ed zlomek pr\u016fm\u011bru, tak\u017ee s p\u0159\u00edsn\u011bj\u0161\u00edmi t\u0159\u00eddami za\u010dn\u011bte pouze v p\u0159\u00edpad\u011b, \u017ee je v\u00e1\u0161 proces dok\u00e1\u017ee udr\u017eet. Pro 10-50 mm jsou b\u011b\u017en\u00fdmi pracovn\u00edmi ko\u0148mi pro posuvn\u00e9 skluzy H7\/h6 nebo H7\/g6. Pro &gt;50 mm m\u00edrn\u011b povolte, abyste udr\u017eeli rozumn\u00e9 n\u00e1klady na obr\u00e1b\u011bn\u00ed; p\u0159i pot\u0159eb\u011b pohybu zva\u017ete otvory H8 nebo h\u0159\u00eddele f7.<\/p>\n\n\n\n<p>P\u0159izp\u016fsobte t\u0159\u00eddu ulo\u017een\u00ed mo\u017enostem m\u011b\u0159en\u00ed a povrchov\u00e9 \u00faprav\u011b. Pokud va\u0161e d\u00edlna m\u016f\u017ee spolehliv\u011b ov\u011b\u0159ovat pouze s p\u0159esnost\u00ed \u00b110 \u03bcm, vyhn\u011bte se v\u00fdb\u011bru t\u0159\u00eddy, kter\u00e1 vynucuje kontrolu \u00b15 \u03bcm v cel\u00e9 v\u00fdrobn\u00ed s\u00e9rii.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tepeln\u00e1 rozta\u017enost, povrchov\u00e1 \u00faprava a vliv geometrie<\/h3>\n\n\n\n<p>Tepeln\u00fd r\u016fst m\u016f\u017ee zni\u010dit pr\u016fchodnost. Pokud ocelov\u00e1 h\u0159\u00eddel b\u011b\u017e\u00ed v hlin\u00edkov\u00e9m pouzd\u0159e, m\u016f\u017ee se otvor vlivem tepla zv\u011bt\u0161it a t\u00edm se zv\u011bt\u0161\u00ed v\u016fle. V opa\u010dn\u00e9m p\u0159\u00edpad\u011b (hork\u00e1 ocelov\u00e1 h\u0159\u00eddel v chladn\u011bj\u0161\u00edm ocelov\u00e9m pouzd\u0159e) se m\u016f\u017ee v\u016fle b\u011bhem provozu zmen\u0161it. Vymodelujte nejhor\u0161\u00ed p\u0159\u00edpad. Pro hladk\u00fd skluz udr\u017eujte drsnost povrchu bl\u00edzko Ra 0,4-1,6 \u03bcm. Pokud je ulo\u017een\u00ed kritick\u00e9, kontrolujte kulatost a v\u00e1lcovitost pomoc\u00ed GD&amp;T; i p\u0159i jmenovit\u00e9 v\u016fli m\u016f\u017ee ovalita zp\u016fsobit m\u00edstn\u00ed kontakt a t\u0159en\u00ed. U dlouh\u00fdch otvor\u016f a kritick\u00fdch veden\u00ed p\u0159idejte v\u00fdkresy p\u0159\u00edmosti nebo polohy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Osv\u011bd\u010den\u00e9 postupy pro instalaci, mont\u00e1\u017e a \u00fadr\u017ebu<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Tipy pro obr\u00e1b\u011bn\u00ed a metrologii<\/h3>\n\n\n\n<p>Pokud jde o otvory, vystru\u017eov\u00e1n\u00ed a vyvrt\u00e1v\u00e1n\u00ed je metodou, jak se dostat do H7 s p\u011bkn\u00fdm povrchem. U h\u0159\u00eddel\u00ed je spolehlivou cestou k h6 CNC soustru\u017een\u00ed a n\u00e1sledn\u00e9 brou\u0161en\u00ed. Kontrolujte opot\u0159eben\u00ed n\u00e1stroje a kontrolujte velikost p\u0159i teplot\u011b. K ov\u011b\u0159en\u00ed pou\u017e\u00edvejte \u010dist\u00e9 mikrometry, m\u011b\u0159idla otvor\u016f a m\u011b\u0159idla z\u00e1tek. Zkontrolujte zaoblen\u00ed a ku\u017eelovitost; i mal\u00fd ku\u017eel m\u016f\u017ee zkazit kluzn\u00e9 ulo\u017een\u00ed.<\/p>\n\n\n\n<p>Pokud pou\u017e\u00edv\u00e1te CNC fr\u00e9zov\u00e1n\u00ed pro vytv\u00e1\u0159en\u00ed otvor\u016f, ponechte si trochu z\u00e1soby pro dokon\u010dovac\u00ed pr\u016fchod kruhovou interpolac\u00ed nebo vyvrt\u00e1vac\u00ed hlavu, abyste zlep\u0161ili zaoblen\u00ed. V p\u0159\u00edpad\u011b vrt\u00e1n\u00ed CNC n\u00e1sleduje v\u00fdstru\u017en\u00edk pro dosa\u017een\u00ed kone\u010dn\u00e9 velikosti, pokud jsou tolerance ulo\u017een\u00ed p\u0159\u00edsn\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pracovn\u00ed postup mont\u00e1\u017ee pro spolehliv\u00e9 ulo\u017een\u00ed<\/h3>\n\n\n\n<p>Pou\u017eijte kr\u00e1tk\u00fd n\u00e1vod krok za krokem, aby se d\u00edly poka\u017ed\u00e9 spojily stejn\u00fdm zp\u016fsobem:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>O\u010dist\u011bte a vy\u010dist\u011bte. Odstra\u0148te t\u0159\u00edsky a ot\u0159epy; ob\u011b \u010d\u00e1sti ot\u0159ete had\u0159\u00edkem, kter\u00fd nepou\u0161t\u00ed vl\u00e1kna.<\/li>\n\n\n\n<li>Zkontrolujte otvor a h\u0159\u00eddel. Zkontrolujte velikost, kulatost a povrchovou \u00fapravu.<\/li>\n\n\n\n<li>Jemn\u011b zarovnejte. D\u00edly za\u010d\u00ednejte rovn\u011b; vyvarujte se nakl\u00e1n\u011bn\u00ed nebo bo\u010dn\u00edho zat\u00ed\u017een\u00ed, kter\u00e9 by mohlo zp\u016fsobit po\u0161kozen\u00ed povrchu.<\/li>\n\n\n\n<li>Maz\u00e1n\u00ed. Pou\u017eijte tenkou vrstvu kompatibiln\u00edho oleje nebo plastick\u00e9ho maziva, abyste sn\u00ed\u017eili t\u0159en\u00ed a zabr\u00e1nili zad\u00edr\u00e1n\u00ed.<\/li>\n\n\n\n<li>Sestavujte ru\u010dn\u011b. V p\u0159\u00edpad\u011b pot\u0159eby pou\u017eijte pouze lehk\u00e9 poklepy; pokud je s\u00edla velk\u00e1, zastavte a p\u0159ekontrolujte velikost.<\/li>\n\n\n\n<li>Ov\u011b\u0159te voln\u00fd prostor. Po mont\u00e1\u017ei ot\u00e1\u010dejte nebo posouvejte, abyste se ujistili o plynul\u00e9m pohybu bez nadm\u011brn\u00e9 v\u016fle.<\/li>\n<\/ol>\n\n\n\n<p>Chcete-li zabr\u00e1nit t\u0159epen\u00ed na sestav\u00e1ch, kter\u00e9 jsou vystaveny vibrac\u00edm, zva\u017ete tenk\u00fd povlak proti t\u0159epen\u00ed, pouzdro nebo p\u0159echod na jin\u00fd typ ulo\u017een\u00ed v kritick\u00fdch spoj\u00edch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Potrub\u00ed\/instala\u010dn\u00ed \u00fahel: instalace kluzn\u00e9 spojky<\/h3>\n\n\n\n<p>Kluzn\u00e9 spojky umo\u017e\u0148uj\u00ed rychl\u00e9 opravy pro vzduchotechniku, klimatizaci a instalat\u00e9rstv\u00ed. Sn\u00e1\u0161ej\u00ed mal\u00e9 nesouososti a umo\u017e\u0148uj\u00ed vy\u0159\u00edznut\u00ed \u010d\u00e1sti potrub\u00ed a n\u00e1sledn\u00e9 nasunut\u00ed spojky na oba konce.<\/p>\n\n\n\n<p>Kl\u00ed\u010dov\u00e9 body:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pou\u017eijte spr\u00e1vn\u00fd materi\u00e1l spojky a odpov\u00eddaj\u00edc\u00ed velikost.<\/li>\n\n\n\n<li>Ozna\u010dte si hloubku zasunut\u00ed, abyste zajistili \u00fapln\u00e9 zasunut\u00ed.<\/li>\n\n\n\n<li>O\u010dist\u011bte a odjehli\u010dte konce trubek; p\u0159ed ut\u011bsn\u011bn\u00edm je nasucho nasa\u010fte.<\/li>\n\n\n\n<li>Pou\u017eijte po\u017eadovan\u00e9 t\u011bsnic\u00ed krou\u017eky, t\u011bsnic\u00ed hmotu nebo schv\u00e1len\u00e9 lepidlo, pokud je to stanoveno p\u0159edpisy.<\/li>\n\n\n\n<li>Zkontrolujte mezn\u00ed hodnoty tlaku a teploty podle platn\u00e9ho p\u0159edpisu ASME nebo m\u00edstn\u00edho p\u0159edpisu na z\u00e1klad\u011b <a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b31-3-process-piping\">ASME<\/a> Sm\u011brnice pro procesn\u00ed potrub\u00ed B31.3.<\/li>\n\n\n\n<li>Tlakov\u00e1 zkou\u0161ka po mont\u00e1\u017ei.<\/li>\n<\/ul>\n\n\n\n<p>U kluzn\u00fdch spojek jde o toleranci se\u0159\u00edzen\u00ed a rychlost. Nejsou \u0159e\u0161en\u00edm \u0161patn\u00e9 podpory nebo \u0161patn\u00e9ho uspo\u0159\u00e1d\u00e1n\u00ed. Pokud bude spoj vystaven velk\u00e9mu pohybu nebo vysok\u00e9mu tlaku, postupujte podle p\u0159edpisov\u00fdch pokyn\u016f t\u00fdkaj\u00edc\u00edch se vyztu\u017een\u00ed a p\u0159\u00edpustn\u00e9ho pr\u016fhybu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Postupn\u00e1 sekvence<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159ed: trubka s po\u0161kozenou \u010d\u00e1st\u00ed.<\/li>\n\n\n\n<li>\u0158ez: \u010dtvercov\u00fd \u0159ez fr\u00e9zou na trubky, odjehlen\u00ed.<\/li>\n\n\n\n<li>Such\u00e9 ulo\u017een\u00ed: spojka voln\u011b klou\u017ee po zna\u010dk\u00e1ch.<\/li>\n\n\n\n<li>Pe\u010de\u0165: V p\u0159\u00edpad\u011b pot\u0159eby zkontrolujte t\u011bsnic\u00ed krou\u017eky nebo pou\u017eijte t\u011bsnic\u00ed materi\u00e1l.<\/li>\n\n\n\n<li>Fin\u00e1ln\u00ed proveden\u00ed: spojka vycentrovan\u00e1; tlakov\u00e1 zkou\u0161ka.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/4-1024x768.webp\" alt=\"lisov\u00e1n\u00ed\" class=\"wp-image-7449\" srcset=\"https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/4-1024x768.webp 1024w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/4-300x225.webp 300w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/4-768x576.webp 768w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/4-16x12.webp 16w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/4.webp 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Pokro\u010dil\u00e9 technick\u00e9 poznatky (v\u00fdkon a \u017eivotn\u00ed cyklus)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Dynamika: vibrace, opot\u0159eben\u00ed a t\u0159en\u00ed ve v\u016fl\u00edch.<\/h3>\n\n\n\n<p>V\u016fle umo\u017e\u0148uje mikropohyb p\u0159i vibrac\u00edch. To m\u016f\u017ee zp\u016fsobit drobn\u00e9 pohyby, kter\u00e9 od\u00edraj\u00ed oxid a vytv\u00e1\u0159ej\u00ed na\u010dervenal\u00fd prach na ocelov\u00fdch rozhran\u00edch. Pokud to pozorujete, zvy\u0161te maz\u00e1n\u00ed, p\u0159idejte poddajnou vrstvu, pou\u017eijte pouzdro nebo zm\u011b\u0148te zp\u016fsob ulo\u017een\u00ed \u010di p\u0159edp\u011bt\u00ed. B\u011bhov\u00e9mu ulo\u017een\u00ed prosp\u00edvaj\u00ed hlad\u0161\u00ed povrchy a stabiln\u00ed maz\u00e1n\u00ed, kter\u00e9 sni\u017euj\u00ed opot\u0159eben\u00ed a zah\u0159\u00edv\u00e1n\u00ed. Zabra\u0148te p\u0159\u00edstupu ne\u010distot pomoc\u00ed t\u011bsn\u011bn\u00ed nebo \u0161t\u00edt\u016f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P\u00e1rov\u00e1n\u00ed materi\u00e1l\u016f a n\u00e1t\u011bry<\/h3>\n\n\n\n<p>Ocel na ocel je b\u011b\u017en\u00e1 a p\u0159edv\u00eddateln\u00e1. U hlin\u00edkov\u00fdch pouzder s ocelov\u00fdmi h\u0159\u00eddeli je t\u0159eba kv\u016fli n\u00edzk\u00e9 hmotnosti v\u011bnovat trochu v\u00edce pozornosti tepeln\u00e9 rozta\u017enosti a riziku zad\u0159en\u00ed. Polymery mohou poskytovat dobr\u00e9 kluzn\u00e9 vlastnosti, ale \u010dasto vy\u017eaduj\u00ed v\u011bt\u0161\u00ed v\u016fle a vlo\u017eky v zat\u00ed\u017een\u00fdch z\u00f3n\u00e1ch. Pom\u00e1haj\u00ed povlaky a \u00fapravy: tvrd\u00fd chrom, nitridace nebo povlaky s n\u00edzk\u00fdm t\u0159en\u00edm mohou zlep\u0161it \u017eivotnost a odolnost proti korozi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u017divotn\u00ed prost\u0159ed\u00ed a spolehlivost<\/h3>\n\n\n\n<p>Vysok\u00e1 teplota zu\u017euje v\u016fle. N\u00edzk\u00e1 teplota m\u016f\u017ee zahu\u0161\u0165ovat mazivo a zvy\u0161ovat odpor. Prach a vlhkost urychluj\u00ed opot\u0159eben\u00ed a korozi. Pl\u00e1nujte s ohledem na skute\u010dn\u00e9 prost\u0159ed\u00ed: teplotn\u00ed p\u00e1smo, p\u016fsoben\u00ed vody, \u010distic\u00ed chemik\u00e1lie a n\u00e1razov\u00e9 zat\u00ed\u017een\u00ed. \u00dazk\u00e9 tolerance nastavte pouze tehdy, kdy\u017e m\u016f\u017eete udr\u017eovat povrchy \u010dist\u00e9 a vyrovnan\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00dadaje: typick\u00e9 rozsahy v\u016fl\u00ed podle velikosti a zat\u00ed\u017een\u00ed<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Povinnost<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u226410 mm<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>10-50 mm<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>&gt;50 mm<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Lehk\u00fd skluz (lokalizace)<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,005-0,015 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,01-0,02 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,02-0,03 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Obecn\u00e9 klouz\u00e1n\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,01-0,03 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,02-0,05 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,03-0,06 mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Voln\u00fd chod<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,03-0,06 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,05-0,10 mm<\/td><td class=\"has-text-align-center\" data-align=\"center\">0,06-0,12 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Pou\u017eijte je jako v\u00fdchoz\u00ed body a upravte je podle materi\u00e1l\u016f, rychlosti, zat\u00ed\u017een\u00ed a teploty.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Odstra\u0148ov\u00e1n\u00ed probl\u00e9m\u016f, zp\u016fsoby poruch a prevence<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">B\u011b\u017en\u00e9 probl\u00e9my a p\u0159\u00edznaky<\/h3>\n\n\n\n<p>Co se pokaz\u00ed, kdy\u017e se slip fit nepovede?<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nesouosost: v\u00e1z\u00e1n\u00ed na jedn\u00e9 stran\u011b p\u0159i mont\u00e1\u017ei; d\u00edly se snadno zjizv\u00ed.<\/li>\n\n\n\n<li>Ovalita nebo z\u00fa\u017een\u00ed: v jednom \u00fahlu hladk\u00e9, v jin\u00e9m t\u011bsn\u00e9.<\/li>\n\n\n\n<li>\u017d\u00edh\u00e1n\u00ed: drsn\u00e9, potrhan\u00e9 povrchy po mont\u00e1\u017ei bez oleje nebo p\u0159i \u0161patn\u00e9m sp\u00e1rov\u00e1n\u00ed materi\u00e1lu.<\/li>\n\n\n\n<li>Fretting: na\u010dervenal\u00fd prach na rozhran\u00edch po vibrac\u00edch.<\/li>\n\n\n\n<li>Hluk a p\u0159ed\u010dasn\u00e9 opot\u0159eben\u00ed: chrast\u011bn\u00ed nebo sk\u0159\u00edp\u00e1n\u00ed p\u0159i pohybu; voln\u00e9 ulo\u017een\u00ed nad r\u00e1mec pl\u00e1nu.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Pracovn\u00ed postup s ko\u0159enovou p\u0159\u00ed\u010dinou s kontroln\u00edmi metodami<\/h3>\n\n\n\n<p>Za\u010dn\u011bte s geometri\u00ed. Zm\u011b\u0159te pr\u016fm\u011br v n\u011bkolika \u00fahlech a hloubk\u00e1ch. Zkontrolujte kulatost a ku\u017eelovitost. Ov\u011b\u0159te drsnost povrchu (Ra). Ov\u011b\u0159te rozlo\u017een\u00ed toleranc\u00ed u obou d\u00edl\u016f, abyste se ujistili, \u017ee minim\u00e1ln\u00ed v\u016fle nen\u00ed bl\u00edzk\u00e1 nule. Ov\u011b\u0159te zp\u016fsoby mont\u00e1\u017ee: byl d\u00edl zkompletov\u00e1n nebo vytla\u010den? Zkontrolujte tepeln\u00e9 podm\u00ednky; je jedna \u010d\u00e1st b\u011bhem provozu hork\u00e1? Zkontrolujte typ maz\u00e1n\u00ed a zne\u010di\u0161t\u011bn\u00ed. V p\u0159\u00edpad\u011b pot\u0159eby zm\u011b\u0148te volbu ulo\u017een\u00ed (nap\u0159\u00edklad p\u0159ejd\u011bte z H7\/h6 na H7\/g6) nebo upravte postup.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">P\u0159\u00edpadov\u00e9 studie a opravy v ter\u00e9nu<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Zad\u0159en\u00ed vn\u011bj\u0161\u00edho krou\u017eku lo\u017eiska: Pouzdro se zah\u0159\u00e1lo a p\u0159i zat\u00ed\u017een\u00ed se zmen\u0161ila v\u016fle. Vn\u011bj\u0161\u00ed krou\u017eek \u0161patn\u011b klouzal a rozvrzal se. N\u00e1prava: zv\u011bt\u0161ete v\u016fli o jednu t\u0159\u00eddu (nap\u0159\u00edklad p\u0159ejd\u011bte z H7\/h6 na H8\/f7) a p\u0159idejte tenk\u00fd film vysokoteplotn\u00edho maziva. Ov\u011b\u0159te kulatost pouzdra p\u0159i zat\u00ed\u017een\u00ed \u0161roubem.<\/li>\n\n\n\n<li>CNC hobby p\u0159\u00edpravek: P\u016fvodn\u00ed kluzn\u00e9 ulo\u017een\u00ed bylo p\u0159\u00edli\u0161 t\u011bsn\u00e9, co\u017e zp\u016fsobovalo \u010dasov\u00e9 ztr\u00e1ty a vrypy. Oprava: m\u00edrn\u011b rozev\u0159ete toleranci otvoru a vyle\u0161t\u011bte \u010dep na hlad\u0161\u00ed povrch. P\u0159idejte lehk\u00fd olej. V\u00fdsledek: Rychlej\u0161\u00ed v\u00fdm\u011bny, \u017e\u00e1dn\u00e9 ot\u0159epy.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Vizu\u00e1ln\u00ed: matice z\u00e1vada-symptom a n\u00e1pravn\u00e1 opat\u0159en\u00ed<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Porucha<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Symptom<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Diagnostika<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>N\u00e1prava<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Z\u00fa\u017een\u00ed otvoru<\/td><td class=\"has-text-align-center\" data-align=\"center\">Vazby na vstupu nebo v\u00fdstupu<\/td><td class=\"has-text-align-center\" data-align=\"center\">M\u011b\u0159idlo vrt\u00e1n\u00ed v cel\u00e9 hloubce<\/td><td class=\"has-text-align-center\" data-align=\"center\">Op\u011btovn\u00e9 navrt\u00e1n\u00ed\/proud; kontrola vych\u00fdlen\u00ed n\u00e1stroje<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Ovalita<\/td><td class=\"has-text-align-center\" data-align=\"center\">T\u011bsn\u00e9 pouze v jednom \u00fahlu<\/td><td class=\"has-text-align-center\" data-align=\"center\">Kontrola zaoblen\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">Zlep\u0161en\u00ed vrt\u00e1n\u00ed\/ot\u00e1\u010den\u00ed; stabilizace nastaven\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">P\u0159\u00edli\u0161 mal\u00fd voln\u00fd prostor<\/td><td class=\"has-text-align-center\" data-align=\"center\">Obt\u00ed\u017en\u00e1 mont\u00e1\u017e<\/td><td class=\"has-text-align-center\" data-align=\"center\">Mikrofon a m\u011b\u0159idlo otvor\u016f<\/td><td class=\"has-text-align-center\" data-align=\"center\">P\u0159esun do \u0161achetn\u00ed z\u00f3ny g6 nebo f7; le\u0161t\u011bn\u00ed<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Drsn\u00fd povrch<\/td><td class=\"has-text-align-center\" data-align=\"center\">Bodov\u00e1n\u00ed, galling<\/td><td class=\"has-text-align-center\" data-align=\"center\">Zkou\u0161ka drsnosti povrchu<\/td><td class=\"has-text-align-center\" data-align=\"center\">Zlep\u0161en\u00ed povrchov\u00e9 \u00fapravy; p\u0159id\u00e1n\u00ed maziva<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">Vibrace<\/td><td class=\"has-text-align-center\" data-align=\"center\">Fretting prach<\/td><td class=\"has-text-align-center\" data-align=\"center\">Kontrola po spu\u0161t\u011bn\u00ed<\/td><td class=\"has-text-align-center\" data-align=\"center\">P\u0159id\u00e1n\u00ed pouzdra, p\u0159edp\u011bt\u00ed nebo zm\u011bna ulo\u017een\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/5-1024x768.webp\" alt=\"tolerance prokluzu\" class=\"wp-image-7450\" srcset=\"https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/5-1024x768.webp 1024w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/5-300x225.webp 300w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/5-768x576.webp 768w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/5-16x12.webp 16w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/5.webp 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Slip Fit a Press Fit: Kl\u00ed\u010dov\u00e9 rozd\u00edly, kter\u00e9 mus\u00edte zn\u00e1t<\/h2>\n\n\n\n<p>Chcete pochopit rozd\u00edl mezi vsuvnou a lisovanou mont\u00e1\u017e\u00ed? Lisovan\u00e9 ulo\u017een\u00ed (naz\u00fdvan\u00e9 tak\u00e9 interferen\u010dn\u00ed ulo\u017een\u00ed) vznik\u00e1, kdy\u017e je velikost h\u0159\u00eddele o n\u011bco v\u011bt\u0161\u00ed ne\u017e velikost otvoru. Rozd\u00edl ve velikosti vytv\u00e1\u0159\u00ed po mont\u00e1\u017ei kontaktn\u00ed tlak. Lisovan\u00e9 ulo\u017een\u00ed dosa\u017een\u00e9 silou nebo teplotou vytv\u00e1\u0159\u00ed spoj s vysok\u00fdm t\u0159en\u00edm, kter\u00fd odol\u00e1v\u00e1 rotaci a axi\u00e1ln\u00edmu prokluzu. \u00dasp\u011b\u0161n\u00e9 lisov\u00e1n\u00ed vy\u017eaduje spr\u00e1vnou toleranci lisov\u00e1n\u00ed, dobr\u00e9 vyrovn\u00e1n\u00ed, \u010dist\u00e9 povrchy a \u010dasto i lisovac\u00ed n\u00e1stroj.<\/p>\n\n\n\n<p>Naproti tomu kluzn\u00e9 ulo\u017een\u00ed dosa\u017een\u00e9 pomoc\u00ed v\u016fl\u00ed znamen\u00e1, \u017ee jeden z d\u00edl\u016f je v\u017edy o n\u011bco men\u0161\u00ed ne\u017e druh\u00fd. To umo\u017e\u0148uje hladkou mont\u00e1\u017e a demont\u00e1\u017e, ale nedoch\u00e1z\u00ed k zaji\u0161t\u011bn\u00ed t\u0159en\u00edm. Pokud je vy\u017eadov\u00e1n p\u0159enos kroutic\u00edho momentu, pou\u017eijte pera, dr\u00e1\u017ekov\u00e1n\u00ed, \u010depy nebo lisovan\u00e9 ulo\u017een\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak prob\u00edh\u00e1 lisov\u00e1n\u00ed?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>P\u0159\u00edprava: odjehlit, vy\u010distit a lehce naolejovat podle specifikace (n\u011bkter\u00e1 ulo\u017een\u00ed se instaluj\u00ed za sucha; postupujte podle specifikace).<\/li>\n\n\n\n<li>Vyrovn\u00e1n\u00ed: Vyrovnejte otvor a h\u0159\u00eddel velmi rovn\u011b, aby nedo\u0161lo k zad\u0159en\u00ed.<\/li>\n\n\n\n<li>Pou\u017eijte s\u00edlu nebo teplotu: pou\u017eijte hydraulick\u00fd lis nebo zah\u0159ejte vn\u011bj\u0161\u00ed \u010d\u00e1st a\/nebo ochla\u010fte vnit\u0159n\u00ed \u010d\u00e1st, aby se p\u0159i mont\u00e1\u017ei sn\u00ed\u017eilo ru\u0161en\u00ed.<\/li>\n\n\n\n<li>Podr\u017eet a ochladit: udr\u017eujte d\u00edly v jedn\u00e9 rovin\u011b, dokud se nevyrovnaj\u00ed teploty.<\/li>\n\n\n\n<li>Ov\u011b\u0159en\u00ed: zm\u011b\u0159te h\u00e1zivost a polohu; zkontrolujte, zda se d\u00edl p\u0159i o\u010dek\u00e1van\u00e9m zat\u00ed\u017een\u00ed neot\u00e1\u010d\u00ed.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Jak\u00e1 je dobr\u00e1 tolerance pro lisov\u00e1n\u00ed?<\/h3>\n\n\n\n<p>Pro ocelov\u00e9 d\u00edly o pr\u016fm\u011bru 10 a\u017e 50 mm plat\u00ed jednoduch\u00e9 pravidlo 0,01-0,05 mm p\u0159esahu v z\u00e1vislosti na kroutic\u00edm momentu, d\u00e9lce z\u00e1b\u011bru a pevnosti materi\u00e1lu. M\u011bk\u010d\u00ed materi\u00e1ly pot\u0159ebuj\u00ed m\u00e9n\u011b. Del\u0161\u00ed n\u00e1boje obvykle pou\u017e\u00edvaj\u00ed men\u0161\u00ed p\u0159esah na mm, proto\u017ee v\u011bt\u0161\u00ed d\u00e9lka zvy\u0161uje celkovou t\u0159ec\u00ed plochu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Co je lep\u0161\u00ed: kluzn\u00e9 nebo lisovan\u00e9 ulo\u017een\u00ed lo\u017eisek a pro\u010d?<\/h3>\n\n\n\n<p>Pro lo\u017eiskov\u00fd krou\u017eek, kter\u00fd mus\u00ed p\u0159en\u00e1\u0161et kroutic\u00ed moment bez prokluzu, pou\u017eijte lisovan\u00e9 ulo\u017een\u00ed (p\u0159esah) - \u010dasto jde o vnit\u0159n\u00ed krou\u017eek na h\u0159\u00eddeli. Pro krou\u017eek, kter\u00fd chcete snadno instalovat a demontovat, pou\u017eijte kluzn\u00e9 ulo\u017een\u00ed - \u010dasto vn\u011bj\u0161\u00ed krou\u017eek v t\u011blese. T\u00edm se vyv\u00e1\u017e\u00ed tuhost a servisovatelnost.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Hmo\u017edinky: Slip Fit vs. Press Fit<\/h2>\n\n\n\n<p>Jak\u00fd je rozd\u00edl mezi kluzn\u00fdmi a lisovan\u00fdmi hmo\u017edinkami? Ve stroj\u00edrenstv\u00ed je b\u011b\u017enou prax\u00ed pou\u017eit\u00ed jednoho otvoru pro lisovac\u00ed hmo\u017edinku k fixaci polohy v jednom d\u00edlu a otvoru pro kluznou hmo\u017edinku ve spojovac\u00edm d\u00edlu, kter\u00fd umo\u017e\u0148uje mont\u00e1\u017e bez pou\u017eit\u00ed s\u00edly. Lisovan\u00e1 hmo\u017edinka z\u016fst\u00e1v\u00e1 v jedn\u00e9 sou\u010d\u00e1sti trvale, zat\u00edmco otvor pro nasunut\u00ed ve sty\u010dn\u00e9 sou\u010d\u00e1sti je o n\u011bco v\u011bt\u0161\u00ed ne\u017e hmo\u017edinka, tak\u017ee sou\u010d\u00e1sti jdou dohromady rukou.<\/p>\n\n\n\n<p>Tento vzor lisov\u00e1n\u00ed vs. prokluzov\u00e1n\u00ed nastavuje opakovatelnou polohu a z\u00e1rove\u0148 zabra\u0148uje nam\u00e1h\u00e1n\u00ed p\u0159i mont\u00e1\u017ei. Pokud by oba otvory byly lisovan\u00e9, nebylo by mo\u017en\u00e9 d\u00edly sestavit bez pou\u017eit\u00ed velk\u00e9 s\u00edly nebo po\u0161kozen\u00ed. Pokud by oba otvory byly kluzn\u00e9, mohlo by doj\u00edt ke ztr\u00e1t\u011b p\u0159esnosti um\u00edst\u011bn\u00ed.<\/p>\n\n\n\n<p>Pokud jde o velikost otvoru, mnoho d\u00edlen se zam\u011b\u0159uje na otvor s prokluzem o 0,01-0,03 mm v\u011bt\u0161\u00ed ne\u017e hmo\u017edinka pro \u010depy 6-20 mm, pokud je c\u00edlem zarovn\u00e1n\u00ed. Pro lisovac\u00ed stranu pou\u017eijte p\u0159esah zhruba 0,01-0,03 mm v z\u00e1vislosti na pr\u016fm\u011bru a materi\u00e1lu. V\u017edy zkontrolujte normy pro hmo\u017edinky a otvory a ov\u011b\u0159te si, zda v\u00e1\u0161 proces tyto tolerance dodr\u017e\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Slip Fit p\u0159i obr\u00e1b\u011bn\u00ed: Praktick\u00e9 pozn\u00e1mky<\/h2>\n\n\n\n<p>S prokluzov\u00e1n\u00edm se setk\u00e1v\u00e1me ka\u017ed\u00fd den p\u0159i obr\u00e1b\u011bn\u00ed CNC. Na CNC fr\u00e9zce m\u016f\u017eete otvor zdrsnit interpolac\u00ed a pot\u00e9 dokon\u010dit vyvrt\u00e1vac\u00ed hlavou nebo v\u00fdstru\u017en\u00edkem, abyste se trefili do H7. Modern\u00ed <a href=\"https:\/\/www.uneedpm.com\/cs\/cnc-milling\/\">CNC fr\u00e9zov\u00e1n\u00ed<\/a> umo\u017e\u0148uje vysoce p\u0159esn\u00e9 vytv\u00e1\u0159en\u00ed otvor\u016f s mal\u00fdmi tolerancemi, d\u00edky \u010demu\u017e jsou kluzn\u00e1 spojen\u00ed v mechanick\u00fdch sestav\u00e1ch spolehliv\u011bj\u0161\u00ed a opakovateln\u011bj\u0161\u00ed. Na soustruhu CNC, kter\u00fd prov\u00e1d\u00ed soustru\u017een\u00ed, m\u016f\u017eete h\u0159\u00eddel vy\u0159\u00edznout na h6 s lehk\u00fdm dokon\u010dovac\u00edm pr\u016fchodem a pot\u00e9 v p\u0159\u00edpad\u011b pot\u0159eby vyle\u0161tit. <a href=\"https:\/\/www.uneedpm.com\/cs\/cnc-turning\/\">CNC soustru\u017een\u00ed<\/a> poskytuje p\u0159esnou kontrolu pr\u016fm\u011bru a konzistentn\u00ed povrchovou \u00fapravu, co\u017e je ide\u00e1ln\u00ed pro v\u00fdrobu h\u0159\u00eddel\u00ed, kter\u00e9 dokonale zapadaj\u00ed do kluzn\u00fdch sestav. CNC vrt\u00e1n\u00ed nab\u00edz\u00ed p\u0159esn\u00e9, opakovateln\u00e9 otvory, kter\u00e9 jsou rovn\u00e9 a spr\u00e1vn\u011b dimenzovan\u00e9, co\u017e sni\u017euje pot\u0159ebu p\u0159epracov\u00e1n\u00ed a zaji\u0161\u0165uje konzistentn\u00ed skluzov\u00e9 ulo\u017een\u00ed. CNC vyvrt\u00e1v\u00e1n\u00ed \u0159e\u0161\u00ed probl\u00e9my s um\u00edst\u011bn\u00edm a zaoblen\u00edm p\u0159esn\u00fdch otvor\u016f.<\/p>\n\n\n\n<p>Pokud hled\u00e1te profesion\u00e1ln\u00ed slu\u017eby v oblasti CNC obr\u00e1b\u011bn\u00ed nebo v\u00fdroby p\u0159esn\u00fdch d\u00edl\u016f, spole\u010dnost U-Need nab\u00edz\u00ed vysoce kvalitn\u00ed CNC fr\u00e9zov\u00e1n\u00ed, soustru\u017een\u00ed a \u0159e\u0161en\u00ed zak\u00e1zkov\u00fdch d\u00edl\u016f pro mechanick\u00e9 sestavy, kter\u00e9 vy\u017eaduj\u00ed p\u0159\u00edsn\u00e9 tolerance a spolehlivou mont\u00e1\u017e.<\/p>\n\n\n\n<p>Chcete jednoduchou kontrolu? Pokud d\u00edly sk\u0159\u00edpou, chytaj\u00ed se nebo pot\u0159ebuj\u00ed pali\u010dku, aby d\u016fsledn\u011b dosedly, pravd\u011bpodobn\u011b jste zvolili p\u0159\u00edli\u0161 p\u0159\u00edsnou toleranci pro v\u00e1\u0161 proces nebo je drsnost povrchu p\u0159\u00edli\u0161 vysok\u00e1. Pokud d\u00edly chrast\u00ed, pravd\u011bpodobn\u011b jste zvolili p\u0159\u00edli\u0161 velkou v\u016fli pro va\u0161i povinnost.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/6-1024x768.webp\" alt=\"lisovan\u00e9 vs. kluzn\u00e9 ulo\u017een\u00ed\" class=\"wp-image-7451\" srcset=\"https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/6-1024x768.webp 1024w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/6-300x225.webp 300w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/6-768x576.webp 768w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/6-16x12.webp 16w, https:\/\/www.uneedpm.com\/wp-content\/uploads\/2025\/11\/6.webp 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Dodr\u017eov\u00e1n\u00ed p\u0159edpis\u016f a zdroje<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Sledov\u00e1n\u00ed norem a autoritativn\u00ed odkazy na odkazy<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Norma ISO 286 (meze a ulo\u017een\u00ed) definuje celosv\u011btov\u011b pou\u017e\u00edvan\u00fd syst\u00e9m pro kluzn\u00e1 a lisovan\u00e1 ulo\u017een\u00ed.<\/li>\n\n\n\n<li>ASME B4.1 uv\u00e1d\u00ed preferovan\u00e9 mezn\u00ed hodnoty a ulo\u017een\u00ed, kter\u00e9 se v USA b\u011b\u017en\u011b pou\u017e\u00edvaj\u00ed.<\/li>\n\n\n\n<li>Pro potrub\u00ed plat\u00ed \u0159ada ASME B31, kter\u00e1 se \u0159\u00edd\u00ed bezpe\u010dn\u00fdm navrhov\u00e1n\u00edm a zkou\u0161en\u00edm.<\/li>\n\n\n\n<li>Pro kontrolu a metrologii vyd\u00e1vaj\u00ed n\u00e1rodn\u00ed normaliza\u010dn\u00ed org\u00e1ny p\u0159\u00edru\u010dky pro m\u011b\u0159en\u00ed, tolerance ulo\u017een\u00ed a geometrick\u00e9 kontroly.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Reference pro Your Fit Designs<\/strong><\/h3>\n\n\n\n<p>M\u016f\u017eete si snadno vytvo\u0159it vlastn\u00ed sadu n\u00e1stroj\u016f:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rychl\u00e1 tabulka toleranc\u00ed skluz\u016f pro typick\u00e9 pr\u016fm\u011bry<\/li>\n\n\n\n<li>Kontroln\u00ed seznam pro jednoduchou mont\u00e1\u017e, kter\u00fd se vztahuje na z\u00e1suvn\u00e9 a lisovan\u00e9 spoje<\/li>\n\n\n\n<li>B\u011b\u017en\u00e9 v\u00fdkresy CAD jako H7\/h6 nebo H8\/f7 pro p\u0159esn\u00e9 ulo\u017een\u00ed<\/li>\n\n\n\n<li>Stru\u010dn\u00fd pr\u016fvodce kontrolou s kontroln\u00edmi body a limity pro kontrolu kvality<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Kl\u00ed\u010dov\u00e9 poznatky<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kluzn\u00e9 ulo\u017een\u00ed je ulo\u017een\u00ed s v\u016fl\u00ed, kdy je h\u0159\u00eddel men\u0161\u00ed ne\u017e otvor, tak\u017ee se d\u00edly snadno spojuj\u00ed a rozpojuj\u00ed.<\/li>\n\n\n\n<li>Vyberte t\u0159\u00eddy ulo\u017een\u00ed podle normy ISO 286 (nap\u0159\u00edklad H7\/g6, H7\/h6, H8\/f7) na z\u00e1klad\u011b pr\u016fm\u011bru, pohybu a prost\u0159ed\u00ed.<\/li>\n\n\n\n<li>Praktick\u00e1 v\u016fle pro mnoho h\u0159\u00eddel\u00ed 10-50 mm se pohybuje kolem 0,02-0,05 mm, t\u011bsn\u011bj\u0161\u00ed pro um\u00edst\u011bn\u00ed, voln\u011bj\u0161\u00ed pro chod.<\/li>\n\n\n\n<li>P\u0159i lisov\u00e1n\u00ed se k zaji\u0161t\u011bn\u00ed d\u00edl\u016f pou\u017e\u00edv\u00e1 p\u0159esah a k mont\u00e1\u017ei je zapot\u0159eb\u00ed s\u00edla nebo teplo. Pou\u017e\u00edv\u00e1 se, pokud pot\u0159ebujete p\u0159enos kroutic\u00edho momentu a pevn\u00e9 um\u00edst\u011bn\u00ed.<\/li>\n\n\n\n<li>Kontrola kvality povrchu, zaoblen\u00ed a tepeln\u00e9 rozta\u017enosti. Na nich \u010dasto z\u00e1le\u017e\u00ed stejn\u011b jako na jmenovit\u00e9 toleranci.<\/li>\n\n\n\n<li>U kol\u00edkov\u00fdch kol\u00edk\u016f jednu stranu p\u0159itla\u010dte a druhou zasu\u0148te, abyste udr\u017eeli souosost a umo\u017enili mont\u00e1\u017e bez nap\u011bt\u00ed.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Nej\u010dast\u011bj\u0161\u00ed dotazy<\/h2>\n\n\n\n\n\n<h2 class=\"wp-block-heading\">Odkazy<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b31-3-process-piping\">https:\/\/www.asme.org\/codes-standards\/find-codes-standards\/b31-3-process-piping<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>In mechanical engineering, one of the simplest ways to avoid assembly damage is to ensure parts can slide together with a small, controlled gap, also known as a slip fit. That is the idea behind a slip fit. A slip fit is a type of clearance fit where one part (often a shaft) is slightly [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":7446,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"Master slip fit vs press fit, explore fit types, tolerances, and CNC machining applications for smooth assembly and precise alignment.","_seopress_robots_index":"","_daim_seo_power":"","_daim_enable_ail":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-7443","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/posts\/7443","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/comments?post=7443"}],"version-history":[{"count":4,"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/posts\/7443\/revisions"}],"predecessor-version":[{"id":7501,"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/posts\/7443\/revisions\/7501"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/media\/7446"}],"wp:attachment":[{"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/media?parent=7443"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/categories?post=7443"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.uneedpm.com\/cs\/wp-json\/wp\/v2\/tags?post=7443"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}